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Issue 7374002: Refactor allocation policies. Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 9 years, 5 months ago
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1 // Copyright 2011 the V8 project authors. All rights reserved. 1 // Copyright 2011 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without 2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are 3 // modification, are permitted provided that the following conditions are
4 // met: 4 // met:
5 // 5 //
6 // * Redistributions of source code must retain the above copyright 6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer. 7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above 8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following 9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided 10 // disclaimer in the documentation and/or other materials provided
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848 int scope_info_length = 0; 848 int scope_info_length = 0;
849 849
850 // Saves some description of scope. It stores name and indexes of 850 // Saves some description of scope. It stores name and indexes of
851 // variables in the whole scope chain. Null-named slots delimit 851 // variables in the whole scope chain. Null-named slots delimit
852 // scopes of this chain. 852 // scopes of this chain.
853 Scope* outer_scope = scope->outer_scope(); 853 Scope* outer_scope = scope->outer_scope();
854 if (outer_scope == NULL) { 854 if (outer_scope == NULL) {
855 return HEAP->undefined_value(); 855 return HEAP->undefined_value();
856 } 856 }
857 do { 857 do {
858 ZoneList<Variable*> list(10); 858 ZoneList<Variable*> list(ZONE, 10);
859 outer_scope->CollectUsedVariables(&list); 859 outer_scope->CollectUsedVariables(&list);
860 int j = 0; 860 int j = 0;
861 for (int i = 0; i < list.length(); i++) { 861 for (int i = 0; i < list.length(); i++) {
862 Variable* var1 = list[i]; 862 Variable* var1 = list[i];
863 Slot* slot = var1->AsSlot(); 863 Slot* slot = var1->AsSlot();
864 if (slot != NULL && slot->type() == Slot::CONTEXT) { 864 if (slot != NULL && slot->type() == Slot::CONTEXT) {
865 if (j != i) { 865 if (j != i) {
866 list[j] = var1; 866 list[j] = var1;
867 } 867 }
868 j++; 868 j++;
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938 } 938 }
939 } 939 }
940 940
941 941
942 // Visitor that collects all references to a particular code object, 942 // Visitor that collects all references to a particular code object,
943 // including "CODE_TARGET" references in other code objects. 943 // including "CODE_TARGET" references in other code objects.
944 // It works in context of ZoneScope. 944 // It works in context of ZoneScope.
945 class ReferenceCollectorVisitor : public ObjectVisitor { 945 class ReferenceCollectorVisitor : public ObjectVisitor {
946 public: 946 public:
947 explicit ReferenceCollectorVisitor(Code* original) 947 explicit ReferenceCollectorVisitor(Code* original)
948 : original_(original), rvalues_(10), reloc_infos_(10), code_entries_(10) { 948 : original_(original),
949 rvalues_(ZONE, 10),
950 reloc_infos_(ZONE, 10),
951 code_entries_(ZONE, 10) {
949 } 952 }
950 953
951 virtual void VisitPointers(Object** start, Object** end) { 954 virtual void VisitPointers(Object** start, Object** end) {
952 for (Object** p = start; p < end; p++) { 955 for (Object** p = start; p < end; p++) {
953 if (*p == original_) { 956 if (*p == original_) {
954 rvalues_.Add(p); 957 rvalues_.Add(p);
955 } 958 }
956 } 959 }
957 } 960 }
958 961
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1778 1781
1779 bool LiveEditFunctionTracker::IsActive(Isolate* isolate) { 1782 bool LiveEditFunctionTracker::IsActive(Isolate* isolate) {
1780 return false; 1783 return false;
1781 } 1784 }
1782 1785
1783 #endif // ENABLE_DEBUGGER_SUPPORT 1786 #endif // ENABLE_DEBUGGER_SUPPORT
1784 1787
1785 1788
1786 1789
1787 } } // namespace v8::internal 1790 } } // namespace v8::internal
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